./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/array_3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/array_3-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4090a90876c90ba415ea4bea59e2b23309410708 ............................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:50:00,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:50:00,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:50:00,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:50:00,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:50:00,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:50:00,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:50:00,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:50:00,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:50:00,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:50:00,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:50:00,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:50:00,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:50:00,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:50:00,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:50:00,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:50:00,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:50:00,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:50:00,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:50:00,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:50:00,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:50:00,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:50:00,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:50:00,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:50:00,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:50:00,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:50:00,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:50:00,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:50:00,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:50:00,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:50:00,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:50:00,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:50:00,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:50:00,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:50:00,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:50:00,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:50:00,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:50:00,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:50:00,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:50:00,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:50:00,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:50:00,912 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 09:50:00,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:50:00,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:50:00,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 09:50:00,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 09:50:00,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:50:00,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:50:00,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:50:00,929 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:50:00,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:50:00,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:50:00,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:50:00,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:50:00,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:50:00,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:50:00,931 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:50:00,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:50:00,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:50:00,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:50:00,932 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 09:50:00,932 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 09:50:00,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:50:00,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:50:00,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 09:50:00,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:50:00,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:50:00,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:50:00,934 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 09:50:00,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:50:00,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:50:00,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4090a90876c90ba415ea4bea59e2b23309410708 [2019-11-20 09:50:01,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:50:01,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:50:01,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:50:01,113 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:50:01,113 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:50:01,114 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak/../../sv-benchmarks/c/loop-acceleration/array_3-1.i [2019-11-20 09:50:01,173 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak/data/a20320332/9b11524f7f59413c9716c8c6a5332bb7/FLAG80b921bc9 [2019-11-20 09:50:01,611 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:50:01,612 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/sv-benchmarks/c/loop-acceleration/array_3-1.i [2019-11-20 09:50:01,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak/data/a20320332/9b11524f7f59413c9716c8c6a5332bb7/FLAG80b921bc9 [2019-11-20 09:50:02,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak/data/a20320332/9b11524f7f59413c9716c8c6a5332bb7 [2019-11-20 09:50:02,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:50:02,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:50:02,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:50:02,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:50:02,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:50:02,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:02" (1/1) ... [2019-11-20 09:50:02,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322d68be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:02, skipping insertion in model container [2019-11-20 09:50:02,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:02" (1/1) ... [2019-11-20 09:50:02,049 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:50:02,069 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:50:02,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:50:02,325 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:50:02,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:50:02,449 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:50:02,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:02 WrapperNode [2019-11-20 09:50:02,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:50:02,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:50:02,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:50:02,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:50:02,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:02" (1/1) ... [2019-11-20 09:50:02,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:02" (1/1) ... [2019-11-20 09:50:02,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:50:02,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:50:02,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:50:02,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:50:02,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:02" (1/1) ... [2019-11-20 09:50:02,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:02" (1/1) ... [2019-11-20 09:50:02,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:02" (1/1) ... [2019-11-20 09:50:02,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:02" (1/1) ... [2019-11-20 09:50:02,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:02" (1/1) ... [2019-11-20 09:50:02,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:02" (1/1) ... [2019-11-20 09:50:02,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:02" (1/1) ... [2019-11-20 09:50:02,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:50:02,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:50:02,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:50:02,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:50:02,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 09:50:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 09:50:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:50:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:50:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 09:50:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:50:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:50:03,037 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:50:03,037 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 09:50:03,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:03 BoogieIcfgContainer [2019-11-20 09:50:03,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:50:03,039 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 09:50:03,039 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 09:50:03,052 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 09:50:03,053 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:03" (1/1) ... [2019-11-20 09:50:03,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:50:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:50:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2019-11-20 09:50:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-11-20 09:50:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 09:50:03,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:50:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:50:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:50:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:50:03,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-11-20 09:50:03,292 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-20 09:50:03,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 09:50:03,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:50:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:50:03,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 09:50:03,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:50:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2019-11-20 09:50:03,405 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2019-11-20 09:50:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 09:50:03,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:50:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:50:03,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 09:50:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:50:03,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-11-20 09:50:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-11-20 09:50:03,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 09:50:03,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:50:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:50:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 09:50:03,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:50:03,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2019-11-20 09:50:03,617 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2019-11-20 09:50:03,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 09:50:03,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:50:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:50:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 09:50:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:50:03,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2019-11-20 09:50:03,731 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2019-11-20 09:50:03,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:50:03,731 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-11-20 09:50:03,742 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 09:50:03,853 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:50:03,857 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:50:03,857 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 09:50:03,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 09:50:03 ImpRootNode [2019-11-20 09:50:03,863 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 09:50:03,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:50:03,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:50:03,864 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:50:03,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:03" (3/4) ... [2019-11-20 09:50:03,869 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:50:03,880 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-20 09:50:03,881 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 09:50:03,881 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:50:03,931 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e51ccfa1-9427-4512-bbf7-52f85cf73baf/bin/ukojak/witness.graphml [2019-11-20 09:50:03,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:50:03,934 INFO L168 Benchmark]: Toolchain (without parser) took 1903.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:50:03,934 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:50:03,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -214.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:50:03,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:50:03,940 INFO L168 Benchmark]: Boogie Preprocessor took 25.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:50:03,940 INFO L168 Benchmark]: RCFGBuilder took 519.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:50:03,941 INFO L168 Benchmark]: CodeCheck took 824.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:50:03,942 INFO L168 Benchmark]: Witness Printer took 67.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:50:03,947 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 192 SDtfs, 112 SDslu, 76 SDs, 0 SdLazy, 404 SolverSat, 152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 343 GetRequests, 332 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 691 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: i <= 1023 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 415.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -214.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 519.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * CodeCheck took 824.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. * Witness Printer took 67.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...